Corrected my own surname, added website + Twitter (#2)

organization.html

@@ -84,7 +84,7 @@ <h3>Program Committee</h3>
         <li><a href="http://thesegalgroup.org/people/kelly-blincoe/">Kelly Blincoe</a>, Auckland University of Technology, New Zealand</li>
         <li><a href="http://www.uu.nl/staff/FDalpiaz/0">Fabiano Dalpiaz</a>, Utrecht University, The Netherlands</li>
         <li><a>Rosalba Giuffrida</a>, Bownty, Denmark</li>
-        <li><a>Daniel Graziottin</a>, University of Stuttgart, Germany</li>
+        <li><a href="https://ineed.coffee">Daniel Graziotin</a>, University of Stuttgart, Germany (<a href="https://twitter.com/dgraziotin">@dgraziotin</a>)</li>
         <li><a href="http://www.chalmers.se/en/staff/Pages/Imed-Hammouda.aspx">Imed Hammouda</a>, Chalmers and University of Gothenburg, Sweden</li>
         <li><a href="http://www.cs.columbia.edu/~kaiser/">Gail E. Kaiser</a>, Columbia University, USA</li>
         <li><a href="http://www.chalmers.se/en/Staff/Pages/eric-knauss.aspx">Eric Knauss</a>, University of Gothenburg, Sweden</li>